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Iron Absorption from the Whole Diet, Comparison of the Effect of Two Different Distributions of Daily Calcium Intake
Hypothesis - If a woman distributes her daily intake of calcium by having less of it in her lunch and dinner meals and more in her breakfast and evening meals, then this would reduce the inhibitory effects calcium has on heme iron and nonheme iron absorption. Background Information - This experiment is one of many that addresses calcium's inhibitory affects on iron absorption. In 1994, the Consensus Development Panel in Optimal Calcium Intake suggested an increase
L, Brune M, Erlandsson M, Sandberg A, and Rossander-Hulthen. "Calcium: effect of different amounts on nonheme- and heme-iron absorption in humans." American Journal of Clinical Nutrition 1991;53:112-119. Rossander-Hulten L, and Hallberg L. "Iron requirements in menstruating women." American Journal of Clinical Nutrition 1991;54:1047-1058. Voet D, and Voet JG. "Hemoglobin Function." Biochemistry. New York, NY. 1995. Whiting S. "The Inhibitory Effect of Dietary Calcium on Iron Bioavailability: A Cause for Concern?" Nutrition Reviews, Vol. 53, No. 3, pp. 77-80.
